CN115247467A - Reinforced FS (concrete slab) outer formwork cast-in-place concrete composite heat insulation system and construction method - Google Patents
Reinforced FS (concrete slab) outer formwork cast-in-place concrete composite heat insulation system and construction method Download PDFInfo
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- CN115247467A CN115247467A CN202211017948.9A CN202211017948A CN115247467A CN 115247467 A CN115247467 A CN 115247467A CN 202211017948 A CN202211017948 A CN 202211017948A CN 115247467 A CN115247467 A CN 115247467A
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- 239000004567 concrete Substances 0.000 title claims abstract description 88
- 238000009415 formwork Methods 0.000 title claims abstract description 49
- 238000009413 insulation Methods 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000004568 cement Substances 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims description 40
- 239000010410 layer Substances 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 19
- 239000011440 grout Substances 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000011534 incubation Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003908 quality control method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7625—Details of the adhesive connection of the insulation to the wall
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a reinforced FS (concrete filled steel) outer formwork cast-in-place concrete composite heat insulation system and a construction method, and relates to the technical field of building walls. According to the reinforced FS outer formwork cast-in-place concrete composite heat insulation system and the construction method, the FS outer formwork is connected with the base wall through the cast concrete, corrugated supports are transversely arranged between the FS outer formwork and the base wall at equal intervals, so that the thickness control of a cast-in-place concrete protective layer is realized, and a part of deformation quantity can be offset compared with a planar structure; vertical mud jacking pore canals are vertically arranged on one side, close to the corrugated support, of the inner side face of the FS outer template, horizontal mud jacking pore canals are transversely arranged on one side, close to the vertical mud jacking pore canals, of the corrugated support, cement paste is pressed on the FS outer template 48 hours after concrete pouring is finished, and therefore under-vibration and vibration leakage caused by touching the FS outer template during vibration compensation are avoided.
Description
Technical Field
The invention relates to the technical field of building walls, in particular to a reinforced FS (concrete filled steel) outer formwork cast-in-place concrete composite heat insulation system and a construction method.
Background
The FS permanent composite heat-insulation external template is a composite heat-insulation board (hereinafter referred to as FS composite heat-insulation template) which is prefabricated in a factory and plays a role of an external template in the construction of a cast-in-place concrete wall. The heat-insulating wall is composed of a heat-insulating layer, a bonding layer, a heat-insulating transition layer, an inner (outer) side bonding reinforcing layer, reinforcing ribs, connecting pieces and the like. Because of its novelty utilizes self insulation material to reprocess and become cast-in-place concrete structure engineering's exterior sheathing, two into one with the template heat preservation, reduced construction process and template quantity, need not to do other heat preservation treatment again, improved the efficiency of construction, reduced engineering comprehensive cost, adopt the prefabricated form of engineering, be favorable to the quality whole to be controlled, but in actual construction, have following several quality control difficulties:
(1) The space in the formwork of the cast-in-place shear wall body is limited, polarization and vibration leakage are easy to occur in vibration due to the consideration of the material characteristics of the FS outer formwork in the concrete pouring process, hidden concrete quality common faults are easy to occur on the cast-in-place surface of the inner side of the FS outer formwork when later-stage concrete reaches the design strength, the hidden concrete quality common faults are mainly represented as honeycomb pitted surfaces, fine pores and the like, and the main damage directly caused is that the joint part of the cast-in-place part and the FS outer formwork is not tight.
(2) Although there is a bonding reinforcing layer between the FS external form and the cast-in-place concrete, because there is deviation in the production and construction process, it is difficult to ensure ideal bonding effect when the bonding layer plane is in contact with the cast-in-place position plane.
(3) When the indoor and outdoor temperature difference is large, the shrinkage coefficient difference between the cast-in-place concrete part and the traditional FS outer template heat insulation layer is large, and hollowing of the joint surface are easily caused.
Disclosure of Invention
1. Technical problem to be solved by the invention
In order to solve the problems, the invention provides a reinforced FS (cast-in-place) outer formwork cast-in-place concrete composite heat insulation system and a construction method, wherein the FS outer formwork is connected with a base wall through cast concrete, and corrugated supports are transversely arranged between the FS outer formwork and the base wall at equal intervals so as to realize the thickness control of a cast-in-place concrete protective layer; during grouting, slurry is discharged from the vertical grouting pore passage and enters a cavity formed in the corrugated support through the transverse grouting pore passage, and cement slurry is grouted through the vertical grouting pore passage and the transverse grouting pore passage, so that the hidden quality problem of cast-in-place concrete is compensated.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a reinforced FS (concrete slab) outer formwork cast-in-place concrete composite heat insulation system comprises a base wall body which is vertically arranged, wherein an FS outer formwork is vertically arranged on the inner side of the base wall body, the FS outer formwork is connected with the base wall body through cast concrete, corrugated supports are transversely arranged between the FS outer formwork and the base wall body at equal intervals, and the FS outer formwork forms a support space through a corrugated structure, so that the contact area can be increased, the thickness control of a cast-in-place concrete protective layer is realized, and a part of deformation quantity can be offset compared with a plane structure; the inner side surface of the FS outer template, close to one side of the corrugated support, is vertically provided with a vertical grouting hole, one side of the corrugated support, close to the vertical grouting hole, is transversely provided with a transverse grouting hole, during grouting, slurry is discharged from the vertical grouting hole and enters a cavity formed in the corrugated support through the transverse grouting hole, and cement slurry can fill the cavity and a hole gap, so that the hidden quality problem of cast-in-place concrete is compensated.
According to the technical scheme, a mud pressing port is formed in the inlet end of the upper portion of the vertical mud pressing duct, an air exhaust port is formed in one side, away from the mud pressing port, of the upper portion of the FS outer formwork, mud is led into the vertical mud pressing duct from the mud pressing port and is exhausted through the air exhaust port, and when the mud is exhausted from the air exhaust port, it is proved that the filling of the mud in the FS outer formwork is finished.
According to the further technical scheme, the FS outer template comprises an outer template and an inner template which are vertically arranged, and the outer template and the inner template are connected through a split bolt which is transversely arranged, so that the FS outer template is convenient to disassemble and assemble; and a heat insulation layer is filled between the outer side template and the inner side template, so that a complete FS outer template heat insulation structure is formed, the efficiency is improved when the FS outer template is convenient to install and disassemble, and the engineering prefabrication form is adopted, so that the overall quality control is facilitated.
Further technical scheme, the flute supports horizontal equidistant setting and has seted up out the thick liquid hole in the inboard template lateral surface, the flute supports the horizontal equidistant opening in middle part, and during the mud jacking operation, unnecessary mud is discharged from a thick liquid hole to avoid closed cavity atmospheric pressure effect, make the process of pouring appear leaking and water.
According to the further technical scheme, the overflow grooves which are transversely distributed are formed between two adjacent corrugated supports and are communicated with the slurry outlet and the exhaust port, in the process of grouting operation, slurry is discharged into the vertical grouting hole through the slurry pressing port and then enters the corrugated supports through the transverse grouting hole, the slurry is discharged from the slurry outlet and flows into the overflow grooves along with the progress of grouting until the overflow grooves are filled with the slurry, and the slurry is further discharged from the exhaust port.
Further technical scheme, basic unit's wall body includes the basic unit's wall body frame of vertical setting, basic unit's wall body frame medial surface meets the department with FS exterior sheathing medial surface, basic unit's wall body frame lateral surface is vertical to be provided with protective layer cushion and inner formword in proper order to it splices mutually with basic unit's wall body after the FS exterior sheathing typesets and the cutting of being convenient for, so that the follow-up process of pouring.
A construction method of a reinforced FS outer template cast-in-place concrete composite heat insulation system comprises the following steps:
step one, forming a base layer wall body frame after finishing binding of wall column reinforcing steel bars, and sequentially and vertically installing a protective layer cushion block and an inner template on the outer side surface of the base layer wall body frame;
secondly, typesetting and cutting according to the dimension specification of the wall surface on which the FS outer template needs to be laid;
step three, aligning corrugated supports arranged on the inner side of the cut FS external template with the inner side of a basic wall frame, and penetrating split bolts;
step four, adjusting the position and the verticality of the FS external template to complete fixation;
fifthly, performing concrete pouring operation between the FS outer formwork and the base wall, and pouring and vibrating at the same time, wherein a vibrating rod is prevented from touching the inner side of the FS outer formwork during vibrating;
after concrete pouring is finished, after concrete is finally set, carrying out cement paste grouting on the FS outer template, wherein the water-cement ratio of the cement paste is the same as that of the concrete;
seventhly, after the form removal strength is achieved, the split bolts and the inner side form plate are removed, and then the split bolt holes are plugged, the joints are spliced, and the anti-cracking treatment is carried out at the male and female corners;
and step eight, performing plastering mortar construction and finish coat construction after the construction operation contents are completed.
According to the further technical scheme, in the third step, concrete is cast in situ in a supporting space formed between the base wall framework and the corrugated supports, and the thickness of the formed concrete protective layer is 20-30 mm.
According to the further technical scheme, in the fifth step, the mortar with the same mixing ratio is poured in advance during pouring, and the pouring thickness of the concrete is 30-50 mm.
In the sixth technical scheme, during grouting, slurry is discharged into the vertical grouting hole through the grouting opening and then enters the corrugated support through the transverse grouting hole, the slurry is discharged from the slurry outlet and flows into the overflow groove along with the progress of grouting until the overflow groove is filled with the slurry, and the slurry is further discharged from the air outlet, so that the completion of air discharge in the slurry hole is indicated.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) According to the reinforced FS outer template cast-in-place concrete composite heat insulation system and the construction method, the FS outer template is connected with the base wall through the cast concrete, corrugated supports are transversely arranged between the FS outer template and the base wall at equal intervals, and the FS outer template forms a support space through a corrugated structure, so that the contact area can be increased, and the thickness control of a cast-in-place concrete protective layer is realized; because the FS outer template cast-in-place concrete member generates different deformation quantities under different environmental influences, the corrugated support structure can offset a part of deformation quantities compared with a plane structure;
(2) According to the reinforced FS outer formwork cast-in-place concrete composite heat insulation system and the construction method, one side, close to a corrugated support, of the inner side face of an FS outer formwork is vertically provided with a vertical grouting pore channel, one side, close to the vertical grouting pore channel, of the corrugated support is transversely provided with a transverse grouting pore channel, during grouting, slurry is discharged from the vertical grouting pore channel and enters a cavity formed inside the corrugated support through the transverse grouting pore channel, mortar with the same mix proportion is poured in advance during pouring, the pouring thickness of the concrete is 30 mm-50 mm, then concrete pouring operation is carried out, and vibrating is carried out while pouring, so that a vibrating rod is prevented from touching the inner side of the FS outer formwork; the cement paste is pressed through the vertical pressing hole and the horizontal pressing hole, the water cement ratio of the cement paste is the same as that of the concrete, and the process compensates the under-vibration and vibration leakage positions caused by touching the FS outer template during vibration;
(3) According to the reinforced FS outer template cast-in-place concrete composite heat insulation system and the construction method, corrugated supports are transversely arranged on the outer side surface of an inner template at equal intervals, and grout outlet holes are transversely formed in the middle of each corrugated support at equal intervals; an air exhaust port is formed in one side, away from the mud jacking port, of the upper portion of the FS outer template, a transversely-distributed overflow groove is formed between every two adjacent corrugated supports and communicated with the mud outlet and the air exhaust port, and during mud jacking, mud is led into the vertical mud jacking pore channel from the mud jacking port and is exhausted through the air exhaust port;
(4) According to the reinforced FS outer formwork cast-in-place concrete composite heat insulation system and the construction method, the FS outer formwork comprises the outer formwork and the inner formwork which are vertically arranged, the outer formwork and the inner formwork are connected through the split bolts which are transversely arranged, and the heat insulation layer is filled between the outer formwork and the inner formwork, so that a complete FS outer formwork heat insulation structure is formed, the efficiency is improved when the FS outer formwork is installed and disassembled conveniently, and the engineering prefabrication mode is adopted, and the overall quality control is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of an FS outer template of the present invention;
FIG. 2 is a schematic view of a longitudinal section structure of the FS outer formwork cast-in-place concrete composite heat insulation system of the invention;
FIG. 3 is a schematic view of a structure of the shear wall with finished reinforcement bars;
FIG. 4 is a schematic structural view of the shear wall in FIG. 3 after the binding is finished, wherein an inner steel bar protection layer cushion block is arranged on the shear wall and an inner side template is erected;
FIG. 5 is a schematic structural view of an installation state of the FS outer formwork cast-in-place concrete composite heat insulation system of the invention;
FIG. 6 is a schematic three-dimensional structure of the FS external form cast-in-place concrete composite thermal insulation system of the present invention.
In the figure: 1-FS outer template; 11-outside form; 12-an insulating layer; 13-inner side template; 14-split bolts; 15-corrugated support; 151-slurry outlet holes; 16-transverse grouting pore canal; 17-vertical grouting pore canal; 171-a mud jacking port; 18-an overflow launder; 19-an exhaust port; 2-a base layer wall body; 21-a base layer wall frame; 22-protective layer cushion block; 23-inner template; 3-concrete.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The reinforced FS external template cast-in-place concrete composite heat insulation system comprises a base wall 2 which is vertically arranged, an FS external template 1 is vertically arranged on the inner side of the base wall 2, the FS external template 1 is connected with the base wall 2 through poured concrete 3, corrugated supports 15 are transversely arranged between the FS external template 1 and the base wall 2 at equal intervals, and the FS external template 1 is used as a cushion block of a cast-in-place concrete steel bar protection layer through a support space formed by a corrugated structure, so that the contact area can be increased, and the thickness control of the cast-in-place concrete protection layer is realized; because the cast-in-place concrete member of the FS outer template 1 generates different deformation amounts under different environmental influences, the corrugated support 15 structure can offset a part of deformation amount difference compared with a plane structure. The inner side surface of the FS outer template 1, which is close to the corrugated support 15, is vertically provided with a vertical grouting hole 17, one side of the corrugated support 15, which is close to the vertical grouting hole 17, is transversely provided with a transverse grouting hole 16, during grouting, slurry is discharged from the vertical grouting hole 17 and enters a cavity formed inside the corrugated support 15 through the transverse grouting hole 16, and the cavity and hole gaps are filled with cement slurry, so that the quality problem of 'hidden' of cast-in-place concrete is compensated.
In this case, as shown in fig. 2, the FS outer form 1 includes an outer form 11 and an inner form 13 which are vertically arranged, and the outer form 11 and the inner form 13 are connected by a split bolt 14 which is transversely arranged, so as to facilitate disassembly and assembly; and a heat insulation layer 12 is filled between the outer side template 11 and the inner side template 13, so that a complete FS outer template 1 heat insulation structure is formed, the efficiency is improved when the FS outer template is convenient to mount and dismount, and the overall quality control is facilitated by adopting an engineering prefabrication form. As shown in fig. 3-4, the basic wall 2 includes a vertically arranged basic wall frame 21, the inner side of the basic wall frame 21 is connected with the inner side of the FS outer formwork 1, and the outer side of the basic wall frame 21 is vertically provided with a protective layer cushion block 22 and an inner formwork 23 in sequence, so that the FS outer formwork 1 is spliced with the basic wall 2 after being typeset and cut, and a subsequent pouring process is facilitated.
Example 2
The basic structure of the reinforced FS outer template cast-in-place concrete composite heat insulation system of the embodiment is the same as that of the embodiment 1, and the differences and improvements are as follows: as shown in fig. 1, a grout pressing port 171 is formed at an inlet end of an upper portion of the vertical grout pressing duct 17, and an exhaust port 19 is formed at one side, far away from the grout pressing port 171, of the upper portion of the FS outer formwork 1; the flute supports 15 horizontal equidistant settings at inside template 13 lateral surfaces, the flute supports 15 horizontal equidistant setups in middle part and has been seted up out thick liquid hole 151, and during the mud jacking operation, unnecessary mud is discharged from out thick liquid hole 151 to avoid closed cavity atmospheric pressure effect, make the process of pouring appear leaking to water. And in the process of grouting operation, slurry is discharged into the vertical grouting hole 17 through the grouting opening 171 and then enters the corrugated supports 15 through the transverse grouting hole 16, and along with the progress of grouting, the slurry is discharged from the slurry outlet 151 and flows into the overflow groove 18 until the overflow groove 18 is filled with the slurry, and the slurry is further discharged from the exhaust opening 19.
In the embodiment, after the concrete is poured and before 48 hours after the concrete is finally set, mud with the same water-cement ratio as the concrete is pressed in by using the mud-pressing hole, the mud is introduced into the vertical mud-pressing hole 17 from the mud-pressing opening 171 and is discharged through the air outlet 19, and when the mud is discharged from the air outlet 19, the completion of filling the mud in the FS outer formwork 1 is proved.
Example 3
The construction method of the reinforced FS outer formwork cast-in-place concrete composite heat insulation system of the embodiment has the same basic structure as that of the embodiment 2, and is different and improved in that: as shown in fig. 5 to 6, the method comprises the following steps:
step one, forming a base layer wall framework 21 after finishing binding wall column reinforcing steel bars, and sequentially and vertically installing a protective layer cushion block 22 and an inner template 23 on the outer side surface of the base layer wall framework 21;
secondly, typesetting and cutting according to the dimension specification of the wall surface on which the FS outer template 1 needs to be laid;
step three, aligning corrugated supports 15 arranged on the inner side surface of the cut FS outer template 1 to the inner side surface of a base layer wall body frame 21, and penetrating split bolts 14;
step four, adjusting the position and the verticality of the FS outer template 1 to finish fixing;
fifthly, performing concrete pouring operation between the FS outer formwork 1 and the base layer wall 2, and vibrating while pouring, wherein a vibrating rod is prevented from touching the inner side of the FS outer formwork 1 during vibrating;
after the concrete 3 is poured, and after the concrete 3 is finally set, carrying out cement paste grouting on the FS outer template 1, wherein the water cement ratio of the cement paste is the same as that of the concrete;
seventhly, after the form removal strength is achieved, the split bolts 14 and the inner side template 13 are removed, and then split bolt hole plugging, seam splicing and crack resistance treatment at the male and female corners are carried out;
and step eight, performing plastering mortar construction and finish coat construction after the construction operation contents are completed.
In the third step, in this embodiment, the concrete 3 is cast in place in the supporting space formed between the base wall frame 21 and the corrugated supports 15, and the thickness of the formed concrete protective layer is 20mm to 30mm.
And fifthly, pouring mortar with the same mixing ratio in advance during pouring, wherein the pouring thickness of the concrete 3 is 30-50 mm, and then performing concrete pouring operation while vibrating to avoid the vibrating rod from touching the inner side of the FS outer template 1.
In the sixth step, during grouting, the slurry is discharged into the vertical grouting hole 17 through the slurry pressing port 171, and then enters the corrugated support 15 through the transverse grouting hole 16, and along with the progress of grouting, the slurry is discharged from the slurry outlet 151 and flows into the overflow groove 18 until the overflow groove 18 is filled with the slurry, and the slurry is further discharged from the exhaust port 19, which indicates that the exhaust in the slurry hole is completed.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a reinforcing FS exterior sheathing cast in situ concrete compound incubation system, includes vertical basic unit's wall body (2) that sets up, basic unit's wall body (2) inboard is vertical to be provided with FS exterior sheathing (1), be connected its characterized in that through concreting (3) between FS exterior sheathing (1) and basic unit's wall body (2): the corrugated wall is characterized in that corrugated supports (15) are transversely arranged between the FS outer formwork (1) and the basic wall (2) at equal intervals, a vertical grouting hole (17) is vertically formed in one side, close to the corrugated supports (15), of the inner side face of the FS outer formwork (1), and a transverse grouting hole (16) is transversely formed in one side, close to the vertical grouting hole (17), of the corrugated supports (15).
2. The reinforced FS external template cast-in-place concrete composite heat insulation system according to claim 1, characterized in that: and a grout pressing port (171) is formed at the inlet end of the upper part of the vertical grout pressing duct (17), and an exhaust port (19) is formed at one side, far away from the grout pressing port (171), of the upper part of the FS outer template (1).
3. The reinforced FS external template cast-in-place concrete composite heat-insulation system of claim 2, which is characterized in that: FS exterior sheathing (1) is including vertical outside template (11) and inboard template (13) that set up, be connected through horizontal split bolt (14) that set up between outside template (11) and inboard template (13), it is provided with heat preservation (12) to fill between outside template (11) and inboard template (13).
4. The reinforced FS external template cast-in-place concrete composite heat insulation system according to claim 3, characterized in that: the corrugated supports (15) are transversely arranged on the outer side surface of the inner side template (13) at equal intervals, and the middle parts of the corrugated supports (15) are transversely provided with pulp outlet holes (151) at equal intervals.
5. The reinforced FS external template cast-in-place concrete composite heat insulation system according to claim 3, characterized in that: an overflow trough (18) which is transversely distributed is formed between two adjacent corrugated supports (15), and the overflow trough (18) is communicated with a pulp outlet hole (151) and an exhaust port (19).
6. The reinforced FS external template cast-in-place concrete composite heat insulation system according to any one of claims 1 to 5, characterized in that: basic unit wall body (2) are including basic unit wall frame (21) of vertical setting, basic unit wall frame (21) medial surface and FS exterior sheathing (1) medial surface department of meeting, basic unit wall frame (21) lateral surface is vertical to have set gradually protective layer cushion (22) and interior sheathing (23).
7. A construction method for a reinforced FS outer template cast-in-place concrete composite heat insulation system is characterized by comprising the following steps:
step one, forming a base layer wall framework (21) after finishing binding of wall column reinforcing steel bars, and vertically installing a protective layer cushion block (22) and an inner template (23) on the outer side surface of the base layer wall framework (21) in sequence;
secondly, typesetting and cutting according to the dimension specification of the wall surface on which the FS outer template (1) needs to be laid;
step three, aligning corrugated supports (15) arranged on the inner side surface of the cut FS outer template (1) to the inner side surface of a basic layer wall body frame (21), and penetrating split bolts (14);
step four, adjusting the position and the verticality of the FS outer template (1) to finish fixing;
fifthly, performing concrete pouring operation between the FS outer template (1) and the base layer wall body (2), and vibrating while pouring, wherein a vibrating rod is prevented from touching the inner side of the FS outer template (1) during vibrating;
after the concrete (3) is poured, after the concrete (3) is finally set, carrying out cement paste grouting on the FS outer template (1), wherein the water-cement ratio of the cement paste is the same as that of the concrete;
seventhly, after the form removal strength is achieved, the split bolts (14) and the inner side template (13) are removed, and then split bolt hole plugging, seam splicing and anti-cracking treatment at the male and female corners are carried out;
and step eight, performing plastering mortar construction and finish coat construction after the construction operation contents are completed.
8. The construction method of the reinforced FS outer formwork cast-in-place concrete composite heat insulation system according to claim 7, characterized in that: in the third step, the supporting space formed between the basic wall framework (21) and the corrugated support (15) is cast with the concrete (3) in situ, and the thickness of the formed concrete protective layer is 20-30 mm.
9. The construction method of the reinforced FS external template cast-in-place concrete composite heat insulation system according to claim 7, characterized by comprising the following steps: and fifthly, pouring the concrete by using the mortar with the same mixing ratio in advance, wherein the pouring thickness of the concrete (3) is 30-50 mm.
10. The construction method of the reinforced FS external template cast-in-place concrete composite heat insulation system according to claim 7, characterized by comprising the following steps: in the sixth step, during grouting, slurry is discharged into the vertical grouting hole (17) through the slurry pressing port (171), then enters the corrugated support (15) through the transverse grouting hole (16), and along with the grouting, the slurry is discharged from the slurry outlet (151) and flows into the overflow groove (18) until the overflow groove (18) is filled with the slurry, and the slurry is further discharged from the exhaust port (19), which indicates that the exhaust in the slurry hole is completed.
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